255323403 has 6 divisors (see below), whose sum is σ = 368800484. Its totient is φ = 170215596.

The previous prime is 255323389. The next prime is 255323429. The reversal of 255323403 is 304323552.

255323403 is a `hidden beast` number, since 255 + 3 + 2 + 3 + 403 = 666.

It is not a de Polignac number, because 255323403 - 2¹² = 255319307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255323473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14184625 + ... + 14184642.

Almost surely, 2^255323403 is an apocalyptic number.

255323403 is a deficient number, since it is larger than the sum of its proper divisors (113477081).

255323403 is a wasteful number, since it uses less digits than its factorization.

255323403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28369273 (or 28369270 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 255323403 is about 15978.8423548141. The cubic root of 255323403 is about 634.4005362107.

Adding to 255323403 its reverse (304323552), we get a palindrome (559646955).

The spelling of 255323403 in words is "two hundred fifty-five million, three hundred twenty-three thousand, four hundred three".